package com.liu.dao;

import com.liu.pojo.User;
import org.apache.ibatis.annotations.*;

import java.util.List;

public interface UserMapper {


    @Select("select * from user")
    List<User>  getUser();

    //方法存在多个参数，所有的参数前面必须加上@Param("id") 注解
    @Select("select *  from user where id = #{id} ")
    User getUserById(@Param("id") int id);

    @Insert("insert into user(id,name,pwd) values (#{id},#{name},#{password})")
    int addUser(User user);

    @Update("update user set name=#{name},pwd=#{password} where id= #{id} ")
    int updateUser(User user);

    @Delete("delete from user where id = #{uid}")
    int deleteUser(@Param("uid") int id);
}
